Calcium Alginate, CAS# 9005-35-0, is an organic compound manufactured through chemical synthesis, available as white to yellowish brown filamentous, grainy, powder. Calcium Alginate is widely used as thickeners. It is widely accepted as safe food additive in many countries with E number E404. Foodchem International Corporation has been supplying quality Calcium Alginate to customers all over the world for over 10 years.